MEET WINDOWS 8.1 PREVIEW
Windows 8.1 Preview isn't currently supported on some tablets and PCs with newer 32-bit Atom processors, including:
Fujitsu ARROWS Tab
If you have one of these tablets or PCs, please revisit this site periodically, as we expect most of them to be supported during the preview.
Swipe in from the right edge of the screen, and then tap Search.(If you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, and then click Search.)
Enter system, tap or click Settings, and then tap or click System.